update cache

Dockerfile

@@ -3,11 +3,20 @@ FROM python:3.9-slim
 # Set working directory
 WORKDIR /app
 
-# Copy 
+# Copy dependencies
 COPY requirements.txt setup.py ./
+
+# dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy 
+# 
+ENV TRANSFORMERS_CACHE=/app/.cache
+ENV HF_HOME=/app/.cache
+
+# Pre-download HuggingFace model
+RUN python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('sentence-transformers/all-MiniLM-L6-v2')"
+
+# Copy source code
 COPY . .
 
 # Expose port